Active Standard ASTM F204 | Developed by Subcommittee: F01.03
Book of Standards Volume: 10.04
Historical (view previous versions of standard)
This test method establishes the apparatuses to be used, specimen preparation methods, and standard procedures for determining the presence of surface flaws in tungsten-seal rods and wires of random or cut lengths, and in the tungsten section of multiple-piece-through leads used in electronic devices, by means of examination of a glass bead sealed to the tungsten.
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1.1 This test method covers the determination of the presence of surface flaws in tungsten-seal rod and wire of random or cut lengths, and in the tungsten section of multiple-piece-through leads used in electronic devices, by means of examination of a glass bead sealed to the tungsten.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
ICS Number Code 21.140 (Seals, glands)
UNSPSC Code 26121500(Electrical wire)